72885387

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 105937920

約数和(自身を除く): 33052533

約数列:

[1, 3, 19, 43, 57, 129, 131, 227, 393, 681, 817, 2451, 2489, 4313, 5633, 7467, 9761, 12939, 16899, 29283, 29737, 89211, 107027, 185459, 321081, 556377, 565003, 1278691, 1695009, 3836073, 24295129, 72885387]

約数ペア:

[(1, 72885387), (3, 24295129), (19, 3836073), (43, 1695009), (57, 1278691), (129, 565003), (131, 556377), (227, 321081), (393, 185459), (681, 107027), (817, 89211), (2451, 29737), (2489, 29283), (4313, 16899), (5633, 12939), (7467, 9761)]